#3746 to sit buttock 4 realizations
ACCEPTED Realization 1
type Derivation
language English
lexeme 1 sit
lexeme 2 seat
meaning 1 to be in a position in which the upper body is upright and supported by the buttocks
direction
meaning 2 the part of an object or individual (usually the buttocks) directly involved in sitting

Instead of saying "sit down", she said "place your seat on this chair".

reference OED English Wiktionary
comment
ACCEPTED Realization 2
type Derivation
language Italian
lexeme sedere
meaning 1 to sit
direction
meaning 2 buttock (n.)
reference Koch 2008: 112
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ACCEPTED Realization 3
type Derivation
language Russian
lexeme 1 сидеть
lexeme 2 седалище
meaning 1 to sit
direction
meaning 2 buttocks
reference <personally collected data>
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ACCEPTED Realization 4
type Derivation
language Ukrainian
lexeme 1 сидіти
lexeme 2 сідниця
meaning 1 to sit
direction
meaning 2 buttocks
reference SUM-11
comment